/*
Make the extension with:
python setup.py build_ext --inplace

Test the extension:
python test_wrapper_flipro.py

 */

#include "wrapper_flipro.h"

// ===================================================================================
// ===================================================================================
// === all devices
// ===================================================================================
// ===================================================================================

/// <summary>
/// Extract argc, **argv from a char* cmd. Use free_argv after using this function.
/// </summary>
/// <param name="cmd">The input string to extract words</param>
/// <param name="pargv">The pointer of **argv</param>
/// <returns>argc</returns>
/// <example>
/// int argc;
/// char **argv = NULL;
/// argc = get_argv(cmd, &argv);
/// </example>
int get_argv(char *cmd, char ***pargv) {
   int argc = 0;
   char str[1024];

   // === Compute argc
   strcpy(str, cmd);
   char* token = strtok(str, " ");
   while (token != NULL) {
      token = strtok(NULL, " ");
      argc++;
   }

   // === Alloc argv
   char **argv = NULL;
   argv = (char **)malloc(argc * sizeof(char));
   *pargv = (char **)argv;
   argc = 0;

   // === Compute argv
   strcpy(str, cmd);
   token = strtok(str, " ");
   while (token != NULL) {
      argv[argc] = (char *)malloc((strlen(token)+2) * sizeof(char));
      //printf("STEP 220-%d argv = %p\n", argc, argv[argc]);
      strcpy(argv[argc], token);
      token = strtok(NULL, " ");
      argc++;
   }
   return argc;
}

/// <summary>
/// Free memory of the **argv array.
/// </summary>
/// <param name="argc">The number of elements of pargv</param>
/// <param name="pargv">The pointer of **argv</param>
/// <example>
/// free_argv(argc, &argv);
/// </example>
void free_argv(int argc, char ***pargv) {
   char **argv;
   argv = *pargv;
   for (int k=0 ; k<argc ; k++) {
      //printf("===> argv[%d] = %s\n", k, argv[k]);
      free(argv[k]);
   }
   free(argv);
}

PyObject *set_np_array2d(int nd, int w, int h, int typenum, void *p) {
    npy_intp dims[2];
    dims[0] = w;
    dims[1] = h;
    return PyArray_SimpleNewFromData(nd, dims, typenum, p);
}

float *calloc_pf(size_t nmemb, size_t size) {
    if (pf != NULL) {
        free(pf);
        pf = NULL;
    }
    pf = (float*)calloc(nmemb, size);
    if (pf == NULL) {
        PyErr_SetString(exampleException, "Pointer pf not allocated");
        return NULL;
    }
    return pf;
}

void dict_append_d(PyObject* dico, const char* key, int value, const char* comment) {
    PyObject *mylist;
    mylist = PyList_New(2);
    PyList_SetItem(mylist, 0, Py_BuildValue("i", value));
    PyList_SetItem(mylist, 1, Py_BuildValue("s", comment));
    PyDict_SetItemString(dico, key, mylist);
    Py_DECREF(mylist);
}

void dict_append_f(PyObject* dico, const char* key, double value, const char* comment) {
    PyObject *mylist;
    mylist = PyList_New(2);
    PyList_SetItem(mylist, 0, Py_BuildValue("d", value));
    PyList_SetItem(mylist, 1, Py_BuildValue("s", comment));
    PyDict_SetItemString(dico, key, mylist);
    Py_DECREF(mylist);
}

void dict_append_w(PyObject* dico, const char* key, wchar_t *value, const char* comment) {
    int nline = 10000;
    char line[10000];
    wcstombs(line, value, nline);
    PyObject *mylist;
    mylist = PyList_New(2);
    PyList_SetItem(mylist, 0, Py_BuildValue("s", line));
    PyList_SetItem(mylist, 1, Py_BuildValue("s", comment));
    PyDict_SetItemString(dico, key, mylist);
    Py_DECREF(mylist);
}

void dict_append_s(PyObject* dico, const char* key, char *value, const char* comment) {
    PyObject *mylist;
    mylist = PyList_New(2);
    PyList_SetItem(mylist, 0, Py_BuildValue("s", value));
    PyList_SetItem(mylist, 1, Py_BuildValue("s", comment));
    PyDict_SetItemString(dico, key, mylist);
    Py_DECREF(mylist);
}

// ===================================================================================
// ===================================================================================
// === camera devices
// ===================================================================================
// ===================================================================================

void* malloc_camheaders(void) {
    // on appelle cam_specific_header pour completer eventuellement le header par des infos propres a cette camera.
    if (cam.camheaders==NULL) {
        cam.nheadercard = 50;
        cam.camheaders = (struct CamHeader*)malloc(cam.nheadercard*sizeof(struct CamHeader));
        for (int kkey=0; kkey<cam.nheadercard; kkey++) {
            strcpy(cam.camheaders[kkey].key,"");
            strcpy(cam.camheaders[kkey].value,"");
            strcpy(cam.camheaders[kkey].type_value,"");
            strcpy(cam.camheaders[kkey].comment,"");
            strcpy(cam.camheaders[kkey].unit,"");                  
        }
    }
    return &cam.camheaders;
}

PyObject* fill_camheaders(void) {
    PyObject *pyheadert=NULL, *pyheaders;
    pyheaders = PyList_New(0);
    if (cam.camheaders==NULL) {
        return pyheaders;
    }
    // --- Fill the C structure
    cam_specific_header(&cam);
    // --- Convert C into PyObject
    for (int kkey=0; kkey<cam.nheadercard; kkey++) {
        if (strcmp(cam.camheaders[kkey].key,"")==0) {
            continue;
        }
        if (strcmp(cam.camheaders[kkey].type_value,"int")==0) {
            int val = atoi(cam.camheaders[kkey].value);
            pyheadert = Py_BuildValue("(sisss)", cam.camheaders[kkey].key, val, cam.camheaders[kkey].type_value, cam.camheaders[kkey].comment, cam.camheaders[kkey].unit);
        } else if (strcmp(cam.camheaders[kkey].type_value,"float")==0) {
            float val = (float)atof(cam.camheaders[kkey].value);
            pyheadert = Py_BuildValue("(sfsss)", cam.camheaders[kkey].key, val, cam.camheaders[kkey].type_value, cam.camheaders[kkey].comment, cam.camheaders[kkey].unit);
        } else if (strcmp(cam.camheaders[kkey].type_value,"double")==0) {
            double val = atof(cam.camheaders[kkey].value);
            pyheadert = Py_BuildValue("(sdsss)", cam.camheaders[kkey].key, val, cam.camheaders[kkey].type_value, cam.camheaders[kkey].comment, cam.camheaders[kkey].unit);
        } else {
            pyheadert = Py_BuildValue("(sssss)", cam.camheaders[kkey].key, cam.camheaders[kkey].value, cam.camheaders[kkey].type_value, cam.camheaders[kkey].comment, cam.camheaders[kkey].unit);
        }
        PyList_Append(pyheaders, pyheadert);
    }
    Py_XDECREF(pyheadert);
    return pyheaders;
}

void free_camheaders(void) {
    if (cam.camheaders!=NULL) {
        free(cam.camheaders);
    }
    cam.camheaders=NULL;
}

PyObject* append_camheaders(const char* key, void *val, const char *type_value, const char *comment, const char *unit) {
    PyObject *pyheader;
    // --- Convert C into PyObject
    if (strcmp(type_value,"int")==0) {
        int *value = (int*)val;
        pyheader = Py_BuildValue("(sisss)", key, *value, type_value, comment, unit);
    } else if (strcmp(type_value,"float")==0) {
        float *value = (float*)val;
        pyheader = Py_BuildValue("(sfsss)", key, *value, type_value, comment, unit);
    } else if (strcmp(type_value,"double")==0) {
        double *value = (double*)val;
        pyheader = Py_BuildValue("(sdsss)", key, *value, type_value, comment, unit);
    } else {
        pyheader = Py_BuildValue("(sssss)", key, val, type_value, comment, unit);
    }
    return pyheader;
}

// =====================================================================
// =====================================================================
// Internal functions
// =====================================================================
// =====================================================================

void isotime(char *iso) 
{
    char iso0[BUFFER_TIME_SIZE];
    struct timespec now;
    timespec_get( &now, TIME_UTC );
    strftime( iso0, BUFFER_TIME_SIZE, "%FT%T", gmtime( &now.tv_sec ) );
    sprintf(iso, "%s.%09ld", iso0, now.tv_nsec);
    iso[23] = '\0'; // ms
}

PyObject* ExplainMode(int ii)
{
    int32_t iResult = 0;
    uint32_t     uiModeCount;
    FPROSENSMODE modeInfo;
    uint32_t     i,i1,i2;

    // Get the numer of available modes and the current mode setting (index)
    uiModeCount = cam_get_total_mode(&cam);
    if (uiModeCount < 0) {
        PyErr_SetString(exampleException, "FPROSensor_GetModeCount result is negative; check camera is functional");
        return NULL;
    }

    if (ii >= 0) {
        i1 = (uint32_t)(ii);
        i2 = (uint32_t)(ii+1);
    }
    else {
        i1 = (uint32_t)(0);
        i2 = (uint32_t)(uiModeCount);
    }

    PyObject *mylists;
    mylists = PyList_New(0);
    PyObject *dico;
    dico = PyDict_New();
    PyObject *mylist;
    mylist = PyList_New(2);

    for (i = i1 ; (i < i2) && (iResult >= 0) ; ++i)
    {
        iResult = FPROSensor_GetMode(cam.s_iDeviceHandle, i, &modeInfo);
        //
        PyList_SetItem(mylist, 0, Py_BuildValue("i", modeInfo.uiModeIndex));
        PyList_SetItem(mylist, 1, Py_BuildValue("s", "The corresponding index of the mode name"));
        PyDict_SetItemString(dico, "uiModeIndex", mylist);
        //
        PyList_SetItem(mylist, 0, Py_BuildValue("s", modeInfo.wcModeName));
        PyList_SetItem(mylist, 1, Py_BuildValue("s", "A descriptive human readable name for the mode suitable for a user interface"));
        PyDict_SetItemString(dico, "wcModeName", mylist);
        
        PyList_Append(mylists, mylist);
    }
    Py_DECREF(dico);
    Py_DECREF(mylist);
    return Py_BuildValue("O", mylists);
}

// =====================================================================
// =====================================================================
// Python extension - Common functions
// =====================================================================
// =====================================================================

static PyObject* init(PyObject* self, PyObject* args) {
    char cmd[1024];
    strcpy(cmd, "");
    int argc = (int)PyTuple_GET_SIZE(args);
    if (argc > 1) {
        // TODO
    }
    char **argv;
    argc = get_argv(cmd, &argv);
    int res = cam_init(&cam, argc, (const char **)argv);
    if (res != 0) {
        PyErr_SetString(exampleException, cam.msg);
        return NULL;
    }
    free_argv(argc, &argv);
    pycam_state = PYCAM_IDLE;
    timer = -1;
    pf = NULL;
    return PyLong_FromLong( res );
}

static PyObject* close(PyObject* self, PyObject* args) {
    int res = cam_close(&cam);
    pycam_state = PYCAM_UNCONNECTED;
    return PyLong_FromLong( res );
}

static PyObject* update_window(PyObject* self, PyObject* args) {
    int x1, y1, x2, y2;
    if (PyTuple_GET_SIZE(args) >= 4) {
        if ( ! PyArg_ParseTuple(args, "iiii", &x1, &y1, &x2, &y2) ) return NULL;
        cam.x1 = x1;
        cam.y1 = y1;
        cam.x2 = x2;
        cam.y2 = y2;
        cam_update_window(&cam);
    }
    return Py_BuildValue("iiii", &cam.x1, &cam.y1, &cam.x2, &cam.y2);
}

static PyObject* bin(PyObject* self, PyObject* args) {
    int binx, biny;
    if (PyTuple_GET_SIZE(args) > 1) {
        if ( ! PyArg_ParseTuple(args, "ii", &binx, &biny) ) return NULL;
        cam_set_binning(binx, biny, &cam);
    }
    return Py_BuildValue("(ii)", cam.binx, cam.biny);
}

static PyObject* exptime(PyObject* self, PyObject* args) {
    double exptime = cam.exptime;
    if (PyTuple_GET_SIZE(args) > 0) {
        if ( ! PyArg_ParseTuple(args, "d", &exptime) ) return NULL;
        cam.exptime = (float)exptime;
    }
    return Py_BuildValue("d", cam.exptime);
}

static PyObject* stop_exp(PyObject* self, PyObject* args) {
    if (pycam_state == PYCAM_ACQ) {
        cam_stop_exp(&cam);
        timer = -1;
        pycam_state = PYCAM_STOPED;
    }
    return Py_BuildValue("s", NULL );
}

static PyObject* start_exp(PyObject* self, PyObject* args) {
    if (pycam_state == PYCAM_IDLE) {
        cam_start_exp(&cam, "off");
        pycam_state = PYCAM_ACQ;
        isotime(cam.date_obs);
        timer = cam.exptime;
        //clock_t0 = clock();
        timespec_get( &clock_t0, TIME_UTC );
    }
    return Py_BuildValue("s", NULL );
}

static PyObject* Date(PyObject* self, PyObject* args) {
    char iso[BUFFER_TIME_SIZE];
    isotime(iso);
    return Py_BuildValue("s", iso);
}

static PyObject* Timer(PyObject* self, PyObject* args) {
    if (timer >=0) {
        //clock_t clock_tt = clock();
        //printf("clock_tt=%ld clock_t0=%ld CLOCKS_PER_SEC=%lu dt=%f\n",clock_tt,clock_t0, CLOCKS_PER_SEC, (double)(clock_tt - clock_t0) / CLOCKS_PER_SEC);
        //timer = cam.exptime - (double)(clock_tt - clock_t0) / CLOCKS_PER_SEC;
        struct timespec clock_t;
        timespec_get( &clock_t, TIME_UTC );
        double dt = (double)(clock_t.tv_sec-clock_t0.tv_sec) + (double)(clock_t.tv_nsec-clock_t0.tv_nsec)/1e9;
        timer = cam.exptime - dt;
        if (timer < 0) {
            timer = -1;
        }
    }
    return Py_BuildValue("d", timer );
}

static PyObject* read_ccd(PyObject* self, PyObject* args) {
    pycam_state = PYCAM_READ;
    calloc_pf(cam.h*cam.w, sizeof(float));
    // --- call the read
    cam_read_ccd(&cam, pf);
    // --- fill the header
    malloc_camheaders();
    PyObject *pyheaders;
    pyheaders = fill_camheaders();
    free_camheaders();
    // --- C pointer pf -> numpy.array
    PyObject *aout = set_np_array2d(2, cam.w, cam.h, NPY_FLOAT, pf);
    // --- Add header cards
    PyObject *pyheader;
    int vali;
    vali = 2 ; pyheader = append_camheaders("NAXIS", &vali, "int", "Number of axes", ""); PyList_Append(pyheaders, pyheader);
    vali = cam.w ; pyheader = append_camheaders("NAXIS1", &vali, "int", "Number of pixels along axis 1", ""); PyList_Append(pyheaders, pyheader);
    vali = cam.h ; pyheader = append_camheaders("NAXIS2", &vali, "int", "Number of pixels along axis 2", ""); PyList_Append(pyheaders, pyheader);
    vali = 16 ; pyheader = append_camheaders("BITPIX", &vali, "int", "Bits for a pixel", ""); PyList_Append(pyheaders, pyheader);
    pyheader = append_camheaders("DATE-PC", cam.date_obs, "string", "DATE-OBS of computer (NTP)", "ISO8601"); PyList_Append(pyheaders, pyheader);
    Py_XDECREF(pyheader);
    // --- Return the numpy.array
    PyObject* res = Py_BuildValue("OO",aout, pyheaders);
    Py_XDECREF(aout);
    Py_XDECREF(pyheaders);
    pycam_state = PYCAM_IDLE;
    return res;
}

static PyObject* shutter(PyObject* self, PyObject* args) {
    if (PyTuple_GET_SIZE(args) >= 1) {
        const char *state;
        if ( ! PyArg_ParseTuple(args, "s", &state) ) return NULL;
        if (strcmp(state, cam_shutters[0])==0) {
            cam_shutter_off(&cam);
            cam.shutterindex = 0;
        }
        else if (strcmp(state, cam_shutters[1])==0) {
            cam_shutter_synchro(&cam);
            cam.shutterindex = 1;
        }
        else if (strcmp(state, cam_shutters[2])==0) {
            cam_shutter_on(&cam);
            cam.shutterindex = 2;
        }
    }
    return Py_BuildValue("s", cam_shutters[cam.shutterindex]);
}

static PyObject* measure_temperature(PyObject* self, PyObject* args) {
    cam_measure_temperature(&cam);
    return Py_BuildValue("f", cam.temperature);
}

static PyObject* cooler(PyObject* self, PyObject* args) {
    const char *state;
    if (PyTuple_GET_SIZE(args) == 1) {
        if ( ! PyArg_ParseTuple(args, "s", &state) ) return NULL;
        if (strcmp(state, cam_coolers[0])==0) {
            cam_cooler_off(&cam);
        }
        else if (strcmp(state, cam_coolers[1])==0) {
            cam_cooler_on(&cam);
        }
        else if (strcmp(state, cam_coolers[2])==0) {
            cam_cooler_check(&cam);
            return Py_BuildValue("d", cam.check_temperature);
        }
    }
    else if (PyTuple_GET_SIZE(args) == 2) {
        double check_temperature;
        if ( ! PyArg_ParseTuple(args, "sd", &state, &check_temperature) ) return NULL;
        if (strcmp(state, cam_coolers[2])==0) {
            cam.check_temperature = check_temperature;
            cam_cooler_check(&cam);
            return Py_BuildValue("d", cam.check_temperature);
        }
    }
    return Py_BuildValue("s", cam_shutters[cam.shutterindex]);
}

// =====================================================================
// =====================================================================
// Python extension - Specific functions
// =====================================================================
// =====================================================================

#if LIB == 2
static PyObject* FingerlakesProCapabilities(PyObject* self, PyObject* args) {
    PyObject* dico = PyDict_New();
    dict_append_d(dico, "uiSize", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_NUM-1], "Size of this structure (including uiSize)");
    dict_append_d(dico, "uiCapVersion", LIB, "Version of this structure");
    dict_append_d(dico, "uiDeviceType", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_DEVICE_TYPE], "General device type- see documentation");
    dict_append_d(dico, "uiMaxPixelImageWidth", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_MAX_PIXEL_WIDTH], "Max allowed image width in pixels");
    dict_append_d(dico, "uiMaxPixelImageHeight", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_MAX_PIXEL_HEIGHT], "Max allowed image height in pixels");
    dict_append_d(dico, "uiAvailablePixelDepths", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_PIXEL_BIT_DEPTHS], "Bit is set if pixel depth allowed (lsb= pixel depth 1)");
    dict_append_d(dico, "uiBinningsTableSize", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_BINNING_TABLE_SIZE], "0= 1:1 binning only");
    dict_append_d(dico, "uiBlackLevelMax", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_BLACK_LEVEL_MAX], "Max Value Allowed");
    dict_append_d(dico, "uiBlackSunMax", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_BLACK_SUN_MAX], "Max Value Allowed");
    dict_append_d(dico, "uiLowGain", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_LOW_GAIN_TABLE_SIZE], "Number of Gain Values (Low Gain channel for low gain frame in HDR Modes)");
    dict_append_d(dico, "uiHighGain", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_HIGH_GAIN_TABLE_SIZE], "Number Of Gain Values (High Gain channel for LDR Modes)");
    dict_append_d(dico, "uiMerge", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_MERGE_REFERENCE_FRAMES_SUPPORTED], "Support of merge reference frames (0= not supported, otherwise supported)");
    dict_append_d(dico, "uiRowScanTime", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_ROW_SCAN_TIME], "Row Scan Time in nano secs (LDR)");
    dict_append_d(dico, "uiDummyPixelNum", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_ROW_REFERENCE_PIXELS], "Number of Pre and Post Row Dummy Pixels when enabled");
    dict_append_d(dico, "bScanInvertable", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_IMAGE_INVERTABLE], "False= Normal scan direction only, True= Inverse Scan Available");
    dict_append_d(dico, "uiNVStorageAvailable", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_NV_STORAGE_AVAILABLE], "Number of bytes of Non-Volatile Storage available on the camera");
    dict_append_d(dico, "uiPostFrameReferenceRows", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_FRAME_REFERENCE_ROWS], "Number of Post-Frame Reference rows available");
    dict_append_d(dico, "uiMetaDataSize", cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_META_DATA_SIZE], "Number of bytes used for the pre-frame image meta data");
    return dico;
}
#elif LIB == 1
static PyObject* FingerlakesProCapabilities(PyObject* self, PyObject* args) {
    FPROCAP s_camCapabilities = cam.s_camCapabilities;
    PyObject* dico = PyDict_New();
    dict_append_d(dico, "uiSize", s_camCapabilities.uiSize, "Size of this structure (including uiSize)");
    dict_append_d(dico, "uiCapVersion", s_camCapabilities.uiCapVersion, "Version of this structure");
    dict_append_d(dico, "uiDeviceType", s_camCapabilities.uiDeviceType, "General device type- see documentation");
    dict_append_d(dico, "uiMaxPixelImageWidth", s_camCapabilities.uiMaxPixelImageWidth, "Max allowed image width in pixels");
    dict_append_d(dico, "uiMaxPixelImageHeight", s_camCapabilities.uiMaxPixelImageHeight, "Max allowed image height in pixels");
    dict_append_d(dico, "uiAvailablePixelDepths", s_camCapabilities.uiAvailablePixelDepths, "Bit is set if pixel depth allowed (lsb= pixel depth 1)");
    dict_append_d(dico, "uiBinningsTableSize", s_camCapabilities.uiBinningsTableSize, "0= 1:1 binning only");
    dict_append_d(dico, "uiBlackLevelMax", s_camCapabilities.uiBlackLevelMax, "Max Value Allowed");
    dict_append_d(dico, "uiBlackSunMax", s_camCapabilities.uiBlackSunMax, "Max Value Allowed");
    dict_append_d(dico, "uiLowGain", s_camCapabilities.uiLowGain, "Number of Gain Values (Low Gain channel for low gain frame in HDR Modes)");
    dict_append_d(dico, "uiHighGain", s_camCapabilities.uiHighGain, "Number Of Gain Values (High Gain channel for LDR Modes)");
    dict_append_d(dico, "uiReserved", s_camCapabilities.uiReserved, "Reserved");
    dict_append_d(dico, "uiRowScanTime", s_camCapabilities.uiRowScanTime, "Row Scan Time in nano secs (LDR)");
    dict_append_d(dico, "uiDummyPixelNum", s_camCapabilities.uiDummyPixelNum, "Number of Pre and Post Row Dummy Pixels when enabled");
    dict_append_d(dico, "bHorizontalScanInvertable", s_camCapabilities.bHorizontalScanInvertable, "False= Normal scan direction only, True= Inverse Scan Available");
    dict_append_d(dico, "bVerticalScanInvertable", s_camCapabilities.bVerticalScanInvertable, "False= Normal scan direction only, True= Inverse Scan Available");
    dict_append_d(dico, "bScanInvertable", s_camCapabilities.bVerticalScanInvertable, "False= Normal scan direction only, True= Inverse Scan Available");
    dict_append_d(dico, "uiNVStorageAvailable", s_camCapabilities.uiNVStorageAvailable, "Number of bytes of Non-Volatile Storage available on the camera");
    dict_append_d(dico, "uiPostFrameReferenceRows", s_camCapabilities.uiPostFrameReferenceRows, "Number of Post-Frame Reference rows available");
    dict_append_d(dico, "uiMetaDataSize", s_camCapabilities.uiMetaDataSize, "Number of bytes used for the pre-frame image meta data");
    return dico;
}
#endif

#if LIB == 2
static PyObject* FingerlakesProDeviceInfo(PyObject* self, PyObject* args) {
    wchar_t value[DIM_WS];
    FPRODEVICEINFO s_camDeviceInfo_selected = cam.s_camDeviceInfo_selected;
    FPRODEVICEVERS device_version_info = cam.device_version_info;
    PyObject* dico = PyDict_New();
    dict_append_w(dico, "cFriendlyName", s_camDeviceInfo_selected.cFriendlyName, "Human readable friendly name of the USB device. This string along with the cSerialNo field provide a unique name for your device suitable for a user interface");
    dict_append_w(dico, "cSerialNo", s_camDeviceInfo_selected.cSerialNo, "The manufacturing serial number of the device");
    dict_append_d(dico, "uiVendorId", s_camDeviceInfo_selected.conInfo.uiVendorId, "The USB vendor ID. This field is applicable only when the eCOnnType is USB");
    dict_append_d(dico, "uiProdId", s_camDeviceInfo_selected.conInfo.uiProdId, "The USB Product ID. This field is applicable only when the eCOnnType is USB");
    if (s_camDeviceInfo_selected.conInfo.eConnType == FPROCONNECTION::FPRO_CONNECTION_USB) {
        wcscpy(value, L"USB");
    } else if (s_camDeviceInfo_selected.conInfo.eConnType == FPROCONNECTION::FPRO_CONNECTION_FIBRE) {
        wcscpy(value, L"FIBRE");
    } else {
        wcscpy(value, L"UNKNOWN");
    }
    dict_append_w(dico, "eConnType", value, "The physical connection type");
    dict_append_w(dico, "cFirmwareVersion", device_version_info.cFirmwareVersion, "Firmware version");
    dict_append_w(dico, "cFPGAVersion", device_version_info.cFPGAVersion, "FPGA version");
    dict_append_w(dico, "cControllerVersion", device_version_info.cControllerVersion, "Controller version");
    dict_append_w(dico, "cHostHardwareVersion", device_version_info.cHostHardwareVersion, "Host Hardware version");
    return dico;
}
#elif LIB == 1
static PyObject* FingerlakesProDeviceInfo(PyObject* self, PyObject* args) {
    char line[DIM_S];
    FPRODEVICEINFO s_camDeviceInfo_selected = cam.s_camDeviceInfo_selected;
    FPRODEVICEVERS device_version_info = cam.device_version_info;
    PyObject* dico = PyDict_New();
    dict_append_w(dico, "cFriendlyName", s_camDeviceInfo_selected.cFriendlyName, "Human readable friendly name of the USB device. This string along with the cSerialNo field provide a unique name for your device suitable for a user interface");
    dict_append_w(dico, "cSerialNo", s_camDeviceInfo_selected.cSerialNo, "The manufacturing serial number of the device");
    dict_append_d(dico, "uiVendorId", s_camDeviceInfo_selected.uiVendorId, "The USB vendor ID. This field is applicable only when the eCOnnType is USB");
    dict_append_d(dico, "uiProdId", s_camDeviceInfo_selected.uiProdId, "The USB Product ID. This field is applicable only when the eCOnnType is USB");
    if (s_camDeviceInfo_selected.eConnType == FPRO_CONNECTION_USB) {
        dict_append_w(dico, "eConnType", L"USB", "The physical connection type");
        strcpy(line, "The USB connection speed of the device. This field is applicable only when the eCOnnType is FPRO_CONNECTION_USB. FLI Cameras require a FPRO_USB_SUPERSPEED USB connection in order to transfer image data reliably");
        if (s_camDeviceInfo_selected.eUSBSpeed == FPRO_USB_FULLSPEED) {
            dict_append_w(dico, "eUSBSpeed", L"FULLSPEED", line);
        } else if (s_camDeviceInfo_selected.eUSBSpeed == FPRO_USB_HIGHSPEED) {
            dict_append_w(dico, "eUSBSpeed", L"HIGHSPEED", line);
        } else if (s_camDeviceInfo_selected.eUSBSpeed == FPRO_USB_SUPERSPEED) {
            dict_append_w(dico, "eUSBSpeed", L"SUPERSPEED", line);
        }
    } else if (s_camDeviceInfo_selected.eConnType == FPRO_CONNECTION_FIBRE) {
        dict_append_w(dico, "eConnType", L"FIBRE", "The physical connection type");
    }
    dict_append_w(dico, "cFirmwareVersion", device_version_info.cFirmwareVersion, "Firmware version");
    dict_append_w(dico, "cFPGAVersion", device_version_info.cFPGAVersion, "FPGA version");
    dict_append_w(dico, "cControllerVersion", device_version_info.cControllerVersion, "Controller version");
    dict_append_w(dico, "cHostHardwareVersion", device_version_info.cHostHardwareVersion, "Host Hardware version");
    return dico;
}
#endif

#if LIB == 2
static PyObject* SelectGain(PyObject* self, PyObject* args) {
    uint32_t gain_low, gain_high;
    //int32_t s_iDeviceHandle;
    //s_iDeviceHandle = cam.s_iDeviceHandle;
    if (PyTuple_GET_SIZE(args) >= 2) {
        if ( ! PyArg_ParseTuple(args, "ii", &gain_low, &gain_high) ) return NULL;
        if (gain_low < 0) {
            gain_low = 0;
        }
        if (gain_low >= cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_LOW_GAIN_TABLE_SIZE]) {
            gain_low = cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_LOW_GAIN_TABLE_SIZE] - 1;
        }
        if (gain_high < 0) {
            gain_high = 0;
        }
        if (gain_high >= cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_HIGH_GAIN_TABLE_SIZE]) {
            gain_high = cam.s_camCapabilities[(uint32_t)FPROCAPS::FPROCAP_HIGH_GAIN_TABLE_SIZE] - 1;
        }
        dev_set_gain(&cam, gain_low, gain_high);
    }
    dev_get_gain(&cam, &gain_low, &gain_high);
    return Py_BuildValue("ii", gain_low, gain_high);
}
#elif LIB == 1
static PyObject* SelectGain(PyObject* self, PyObject* args) {
    uint32_t gain_low, gain_high;
    int32_t s_iDeviceHandle;
    FPROCAP s_camCapabilities = cam.s_camCapabilities;
    s_iDeviceHandle = cam.s_iDeviceHandle;
    if (PyTuple_GET_SIZE(args) >= 2) {
        if ( ! PyArg_ParseTuple(args, "ii", &gain_low, &gain_high) ) return NULL;
        if (gain_low < 0) {
            gain_low = 0;
        }
        if (gain_low >= s_camCapabilities.uiLowGain) {
            gain_low = s_camCapabilities.uiLowGain - 1;
        }
        if (gain_high < 0) {
            gain_high = 0;
        }
        if (gain_high >= s_camCapabilities.uiHighGain) {
            gain_high = s_camCapabilities.uiHighGain - 1;
        }
        FPROSensor_SetGainIndex(s_iDeviceHandle, FPRO_GAIN_TABLE_LOW_CHANNEL, gain_low);
        FPROSensor_SetGainIndex(s_iDeviceHandle, FPRO_GAIN_TABLE_HIGH_CHANNEL, gain_high);
    }
    FPROSensor_GetGainIndex(s_iDeviceHandle, FPRO_GAIN_TABLE_LOW_CHANNEL, &gain_low);
    FPROSensor_GetGainIndex(s_iDeviceHandle, FPRO_GAIN_TABLE_HIGH_CHANNEL, &gain_high);
    dev_get_gain(&cam, &gain_low, &gain_high);
    return Py_BuildValue("ii", gain_low, gain_high);
}
#endif

#if LIB == 2
static PyObject* GPSStatus(PyObject* self, PyObject* args) {
    char ligne[DIM_S];
    int32_t s_iDeviceHandle;
    uint32_t pOption;
    FPROGPSSTATE pState;
    s_iDeviceHandle = cam.s_iDeviceHandle;
    FPROCtrl_GetGPSState(s_iDeviceHandle, &pState, &pOption);
    if (pState == FPROGPSSTATE::FPRO_GPS_NOT_DETECTED) {
        sprintf(ligne, "%d {GPS unit has not been detected by the camera}", (int)pState);
    }
    if (pState == FPROGPSSTATE::FPRO_GPS_DETECTED_NO_SAT_LOCK) {
        sprintf(ligne, "%d {GPS unit has been detected by the camera but the satellite lock has not been made}", (int)pState);
    }
    if (pState == FPROGPSSTATE::FPRO_GPS_DETECTED_AND_SAT_LOCK) {
        sprintf(ligne, "%d {GPS unit has been detected by the camera and the satellite lock has been made. This is the only value that will provide accurate results in the Meta Data}", (int)pState);
    }
    return Py_BuildValue("s", ligne);
}
#elif LIB == 1
static PyObject* GPSStatus(PyObject* self, PyObject* args) {
    char ligne[DIM_S];
    int32_t s_iDeviceHandle;
    FPROGPSSTATE pState;
    s_iDeviceHandle = cam.s_iDeviceHandle;
    FPROCtrl_GetGPSState(s_iDeviceHandle, &pState);
    if (pState == FPRO_GPS_NOT_DETECTED) {
        sprintf(ligne, "%d {GPS unit has not been detected by the camera}", pState);
    }
    if (pState == FPRO_GPS_DETECTED_NO_SAT_LOCK) {
        sprintf(ligne, "%d {GPS unit has been detected by the camera but the satellite lock has not been made}", pState);
    }
    if (pState == FPRO_GPS_DETECTED_AND_SAT_LOCK) {
        sprintf(ligne, "%d {GPS unit has been detected by the camera and the satellite lock has been made. This is the only value that will provide accurate results in the Meta Data}", pState);
    }
    return Py_BuildValue("s", ligne);
}
#endif

static PyObject* FingerlakesProListModes(PyObject* self, PyObject* args) {
#if LIB == 1
    return ExplainMode(-1);
#else
    return Py_BuildValue("s", NULL);
#endif
}

static PyObject* FingerlakesProSetMode(PyObject* self, PyObject* args) {
    int retour = 0;
#if LIB == 1
    int32_t iResult;

    int ii = -1;
    
    if (PyTuple_GET_SIZE(args) >= 1) {
        if ( ! PyArg_ParseTuple(args, "i", &ii) ) return NULL;
    } else {
        ii = cam_get_current_mode(&cam);
    }
    
    iResult = cam_set_mode(&cam, ii);
    if (iResult == -1) cam_set_mode(&cam, 0);
    if (iResult == -1) {
        strcpy(cam.msg, "cam_set_mode problem");
        PyErr_SetString(exampleException, cam.msg);
        return NULL;
    }
    
    if (iResult == -3) {
        strcpy(cam.msg, "cam_set_mode strong problem");
        PyErr_SetString(exampleException, cam.msg);
        return NULL;
    }
    
    return ExplainMode(ii);
#endif
    return Py_BuildValue("d", retour);
}

static PyObject* SelectImage(PyObject* self, PyObject* args) {
    char ligne[DIM_S];
    const char *select;
    if (PyTuple_GET_SIZE(args) >= 1) {
        if ( ! PyArg_ParseTuple(args, "s", &select) ) return NULL;
        if (strcmp(select, "low") == 0) {
            io_buffer_change_mode(&cam, 0);
        }
        if (strcmp(select, "high") == 0) {
            io_buffer_change_mode(&cam, 1);
        }
        if (strcmp(select, "merge") == 0) {
            io_buffer_change_mode(&cam, 2);
        }
        if (strcmp(select, "all") == 0) {
            io_buffer_change_mode(&cam, 3);
        }
    }
    if (cam.selectedimage == 0) {
        strcpy(ligne, "low");
    }
    if (cam.selectedimage == 1) {
        strcpy(ligne, "high");
    }
    if (cam.selectedimage == 2) {
        strcpy(ligne, "merge");
    }
    if (cam.selectedimage == 3) {
        strcpy(ligne, "all");
    }
    return Py_BuildValue("s", ligne);
}

static PyObject* SelectShutter(PyObject* self, PyObject* args) {
    int iOpen, iOverride; // 0=false 1=true
    bool bOpen, bOverride; // 0=false 1=true
    int32_t s_iDeviceHandle;
    s_iDeviceHandle = cam.s_iDeviceHandle;
    if (PyTuple_GET_SIZE(args) >= 2) {
        if ( ! PyArg_ParseTuple(args, "ii", &iOpen, &iOverride) ) return NULL;
        if (iOpen == 0) {
            bOpen = false;
        } else {
            bOpen = true;
        }
        if (iOverride == 0) {
            bOverride = false;
        } else {
            bOverride = true;
        }
        FPROCtrl_SetShutterOverride(s_iDeviceHandle, bOverride);
        FPROCtrl_SetShutterOpen(s_iDeviceHandle, bOpen);
    }
    FPROCtrl_GetShutterOverride(s_iDeviceHandle, &bOverride);
    FPROCtrl_GetShutterOpen(s_iDeviceHandle, &bOpen);
    return Py_BuildValue("ii", (int)bOpen, (int)bOverride);
}

static PyObject* measure_temperatures(PyObject* self, PyObject* args) {
    cam_measure_temperature(&cam);
    return Py_BuildValue("fff", cam.temperature, cam.ambient_temp, cam.base_temp);
}

static PyObject* DewPower(PyObject* self, PyObject* args) {
    const char *select;
    char ligne[DIM_S];
    int32_t  iResult;
    if (PyTuple_GET_SIZE(args) >= 1) {
        if ( ! PyArg_ParseTuple(args, "i", &select) ) return NULL;
        if (strcmp(select, "?") == 0) {
            iResult = dev_get_dewpower(&cam);
            cam.antidew_power = iResult;
        } else {
            if (strcmp(select, "off") == 0) cam.antidew_power = 0;
            if (strcmp(select, "low") == 0) cam.antidew_power = 33;
            if (strcmp(select, "high") == 0) cam.antidew_power = 66;
            if (strcmp(select, "full") == 0) cam.antidew_power = 100;
            iResult = dev_set_dewpower(&cam);
        }
        snprintf(ligne, DIM_S, "FLIDewPower return %d", iResult);
        if (iResult < 0) {
            strcpy(cam.msg, "Dew power problem");
            PyErr_SetString(exampleException, cam.msg);
            return NULL;
        }
        return Py_BuildValue("s", ligne);
    }
    return Py_BuildValue("s", NULL);
}

static PyObject* ListGain(PyObject* self, PyObject* args) {
    wchar_t wline[DIM_WS];
    char line[DIM_S];
    dev_get_gaintable(&cam, wline);
    wcstombs(line, wline, DIM_S);
    return Py_BuildValue("s", line);
}

static PyObject* Merge(PyObject* self, PyObject* args) {
    /*
    Merging calibration

    1) Compute the bias for the given binning. Shutter closed
    cam1 bin {1 1}
    cam1 merge lin makebias
    acq 0 1

    2) Compute the (a,b) factors. Adapt the exposure time to obtain a mean level of 3000
    cam1 merge lin compute_ab 3800
    cam1 selectimage high
    cam1 shutter opened
    acq 0.002 1
    cam1 merge lin

    3) Search for the offset with the Moon
    cam1 selectimage merge
    cam1 merge lin applybias 3800 -3500 1 0 0
    acq 0.002 1

    Other functions 

    A1) Clear the bias effect
    cam1 merge lin clearbias

    A2) Return to the FLi merger algorithm
    cam1 merge fli

    proc makebias_kepler { {n 10} {bins 12} } {
       set bias_path "C:/Data/darkflat"
       set mirrorh [cam1 mirrorh]
       set mirrorv [cam1 mirrorv]
       set shutter [cam1 shutter]
       cam1 mirrorh 0
       cam1 mirrorv 0
       cam1 shutter closed
       set configs { {1 low} {1 high} {2 low} {2 high} }
       if {$bins==1} {
          set configs { {1 low} {1 high} }
       } elseif {$bins==2} {
          set configs { {2 low} {2 high} }
       }
       foreach config $configs {
          lassign $config bin gain
          cam1 selectimage $gain
          set name bias_bin${bin}_${gain}
          for {set k 1} {$k<=$n} {incr k} {
             console::affiche_resultat "Acq ${name}-${k}\n"
             acq 0 $bin
             saveima ${name}-${k}
          }
          console::affiche_resultat "Pile kappa sigma ${name}\n"
          ssk ${name}- ${name} $n 3
          loadima ${name}
          saveima ${bias_path}/${name}
          console::affiche_resultat "Bias final: ${bias_path}/${name}\n"
       }
       cam1 mirrorh $mirrorh
       cam1 mirrorv $mirrorv
       cam1 shutter $shutter
       loadbias_kepler
       console::affiche_resultat "Bias terminés\n"
    }

    proc loadbias_kepler { } {
       if {[cam1 name]=="Kepler-4040"} {
          set bias_path "C:/Data/darkflat"
          cam1 merge lin loadbias $bias_path
          #cam1 merge lin apply
          cam1 merge lin apply 3800 0 1 20.62 0
          cam1 selectimage merge
        }
    }

    */
    const char *algo;
    const char *method;
    char ligne[DIM_S];

    // args
    PyObject* obj1=NULL;
    PyObject* obj2=NULL;
    PyObject* obj3=NULL;
    PyObject* obj4=NULL;
    PyObject* obj5=NULL;
    PyObject* obj6=NULL;
    PyObject* obj7=NULL;
    PyObject* obj8=NULL;
    PyObject* obj9=NULL;

    if (PyTuple_GET_SIZE(args) == 0) {
        strcpy(cam.msg, "Usage : merge algo(fli|lin) ?params?");
        PyErr_SetString(exampleException, cam.msg);
        return NULL;
    }
    if (PyTuple_GET_SIZE(args) >= 1) {
        if ( ! PyArg_ParseTuple(args, "s|OO", &algo, obj1, obj2) ) return NULL;
        // algo
        if (strcmp(algo, "fli") == 0) {
            cam.merge_algo = MERGE_ALGO_FLI;
        }
        if (strcmp(algo, "lin") == 0) {
            cam.merge_algo = MERGE_ALGO_LIN;
        }
    }
    if (cam.merge_algo == MERGE_ALGO_FLI) {
        // algo=fli
        snprintf(ligne, DIM_S, "{algo fli}");
    } else if (cam.merge_algo == MERGE_ALGO_LIN) {
        // algo=lin
        if (obj1 != NULL) {
            PyArg_ParseTuple(obj1, "s", &method);
            if (strcmp(method, "makebias") == 0) {
                cam.merge_lin_mode = MERGE_LIN_MODE_MAKEBIAS; 
                io_buffer_change_mode(&cam, 2);
            }
            else if (strcmp(method, "loadbias") == 0) {
                const char *path;
                PyArg_ParseTuple(obj2, "s", &path);
                char filename[DIM_S];
                int naxis1, naxis2;
                // --- bin1_low
                sprintf(filename, "%s/bias_bin1_low.fit", path);
                img_loadfits(filename, &naxis1, &naxis2, cam.bias_low_bin1);
                if (naxis1 == 0) {
                    snprintf(ligne, DIM_S, "Usage : merge lin loadbias. The file %s does not exists.", filename);
                    PyErr_SetString(exampleException, ligne);
                    return NULL;
                }
                // --- bin1_high
                sprintf(filename, "%s/bias_bin1_high.fit", path);
                img_loadfits(filename, &naxis1, &naxis2, cam.bias_high_bin1);
                if (naxis1 == 0) {
                    snprintf(ligne, DIM_S, "Usage : merge lin loadbias. The file %s does not exists.", filename);
                    PyErr_SetString(exampleException, ligne);
                    return NULL;
                }
                // --- bin2_low
                sprintf(filename, "%s/bias_bin2_low.fit", path);
                img_loadfits(filename, &naxis1, &naxis2, cam.bias_low_bin2);
                if (naxis1 == 0) {
                    snprintf(ligne, DIM_S, "Usage : merge lin loadbias. The file %s does not exists.", filename);
                    PyErr_SetString(exampleException, ligne);
                    return NULL;
                }
                // --- bin2_high
                sprintf(filename, "%s/bias_bin2_high.fit", path);
                img_loadfits(filename, &naxis1, &naxis2, cam.bias_high_bin2);
                if (naxis1 == 0) {
                    snprintf(ligne, DIM_S, "Usage : merge lin loadbias. The file %s does not exists.", filename);
                    PyErr_SetString(exampleException, ligne);
                    return NULL;
                }
            }
            else if (strcmp(method, "compute_ab") == 0) { 
                cam.merge_lin_mode = MERGE_LIN_MODE_COMPUTEAB; 
                io_buffer_change_mode(&cam, 2);
            }
            else if (strcmp(method, "clearbias") == 0) {
                int h = cam.h;
                int w = cam.w;
                switch (cam.binx) {
                case 1:
                    delete[] cam.bias_low_bin1;
                    cam.bias_low_bin1 = new uint16_t[h * w];
                    delete[] cam.bias_high_bin1;
                    cam.bias_high_bin1 = new uint16_t[h * w];
                    break;
                case 2:
                    delete[] cam.bias_low_bin2;
                    cam.bias_low_bin2 = new uint16_t[h * w / 4];
                    delete[] cam.bias_high_bin2;
                    cam.bias_high_bin2 = new uint16_t[h * w / 4];
                }
            }
            else {
                // strcmp(method, "applybias")
                cam.merge_lin_mode = MERGE_LIN_MODE_APPLYBIAS;
                double val;
                if (obj2 != NULL) { PyArg_ParseTuple(obj2, "d", &val); cam.merge_lin_threshold = val; }
                if (obj3 != NULL) { PyArg_ParseTuple(obj3, "d", &val); cam.merge_lin_offset_bin1 = val; }
                if (obj4 != NULL) { PyArg_ParseTuple(obj4, "d", &val); cam.merge_lin_a_bin1 = val; }
                if (obj5 != NULL) { PyArg_ParseTuple(obj5, "d", &val); cam.merge_lin_b_bin1 = val; }
                if (obj6 != NULL) { PyArg_ParseTuple(obj6, "d", &val); cam.merge_lin_offset_bin2 = val; }
                if (obj7 != NULL) { PyArg_ParseTuple(obj7, "d", &val); cam.merge_lin_alpha_bin2 = val; }
                if (obj8 != NULL) { PyArg_ParseTuple(obj8, "d", &val); cam.merge_lin_a_bin2 = val; }
                if (obj9 != NULL) { PyArg_ParseTuple(obj9, "d", &val); cam.merge_lin_b_bin2 = val; }
            }
        }
        PyObject* dico = PyDict_New();
        PyDict_SetItemString(dico, "algo", Py_BuildValue("s", "lin"));
        PyDict_SetItemString(dico, "threshhold", Py_BuildValue("d", cam.merge_lin_threshold));
        PyDict_SetItemString(dico, "offset_bin1", Py_BuildValue("d", cam.merge_lin_offset_bin1));
        PyDict_SetItemString(dico, "alpha_bin1", Py_BuildValue("d", cam.merge_lin_alpha_bin1));
        PyDict_SetItemString(dico, "a_bin1", Py_BuildValue("d", cam.merge_lin_a_bin1));
        PyDict_SetItemString(dico, "b_bin1", Py_BuildValue("d", cam.merge_lin_b_bin1));
        PyDict_SetItemString(dico, "offset_bin2", Py_BuildValue("d", cam.merge_lin_offset_bin2));
        PyDict_SetItemString(dico, "alpha_bin2", Py_BuildValue("d", cam.merge_lin_alpha_bin2));
        PyDict_SetItemString(dico, "a_bin2", Py_BuildValue("d", cam.merge_lin_a_bin2));
        PyDict_SetItemString(dico, "b_bin2", Py_BuildValue("d", cam.merge_lin_b_bin2));
        return Py_BuildValue("O", dico);
    }
    return NULL;
}

static PyObject* Stream(PyObject* self, PyObject* args) {
    char ligne[DIM_S];
    int32_t  iResult;
    uint32_t uiFrameSizeBytes;
    wchar_t pRootPath[STREAMER_PATH_MAX];
    wchar_t pFilePrefix[STREAMER_PATH_MAX];
    uint32_t uiFrameCount;
    uint64_t uiFrameIntervalMS;
    FPROSTREAMSTATS streamStats;
    /* pStats:
    uint32_t            uiNumFramesReceived;
    uint64_t            uiTotalBytesReceived;
    uint64_t            uiDiskFramesWritten;
    double              dblDiskAvgMBPerSec;
    double              dblDiskPeakMBPerSec;
    double              dblOverallFramesPerSec;
    double              dblOverallMBPerSec;
    */

    swprintf(pRootPath, STREAMER_PATH_MAX, L"C:\\Data");
    swprintf(pFilePrefix, STREAMER_PATH_MAX, L"streamfli");
    uiFrameSizeBytes = FPROFrame_ComputeFrameSize(cam.s_iDeviceHandle); // Size of the frames that will be streamed.
    uiFrameCount = 10 ; // Number of frames to stream.Zero(0) == infinite
    uiFrameIntervalMS = 10; // The frame interval in milliseconds() (exposure time + delay).

    iResult = FPROFrame_StreamInitialize(cam.s_iDeviceHandle, uiFrameSizeBytes, pRootPath, pFilePrefix);
    if (iResult >= 0) {
        iResult = FPROFrame_StreamStart(cam.s_iDeviceHandle, uiFrameCount, uiFrameIntervalMS);
        if (iResult >= 0) {

            iResult = FPROFrame_StreamGetStatistics(cam.s_iDeviceHandle, &streamStats);
            while ((iResult >= 0) &&
                (!((streamStats.iStatus == FPROSTREAMERSTATUS::FPRO_STREAMER_STOPPED) && (streamStats.uiDiskFramesWritten == uiFrameCount)) || (streamStats.iStatus == FPROSTREAMERSTATUS::FPRO_STREAMER_STOPPED_ERROR))) {
                // Check the stats again- you can check as often as you like
                libcam_sleep(1000);
                iResult = FPROFrame_StreamGetStatistics(cam.s_iDeviceHandle, &streamStats);
            }

            // check the reasons for leaving the loop
            if ((iResult < 0) || (streamStats.iStatus == FPROSTREAMERSTATUS::FPRO_STREAMER_STOPPED_ERROR))
            {
                snprintf(ligne, DIM_S, "Stream Error");
                PyErr_SetString(exampleException, ligne);
                return NULL;
            }

            iResult = FPROFrame_StreamStop(cam.s_iDeviceHandle);
            if (iResult >= 0) {
                iResult = FPROFrame_StreamDeinitialize(cam.s_iDeviceHandle);
            }
        }
    }
    return Py_BuildValue("O", NULL);
}

static PyObject* Reconnect(PyObject* self, PyObject* args) {
    char ligne[DIM_S];
    dev_reconnect(&cam);
    snprintf(ligne, DIM_S, "%s", cam.msg);
    return Py_BuildValue("s", ligne);
};

static PyObject* Led(PyObject* self, PyObject* args) {
    uint32_t led_state;
    //int32_t s_iDeviceHandle;
    //s_iDeviceHandle = cam.s_iDeviceHandle;
    if (PyTuple_GET_SIZE(args) >= 1) {
        if ( ! PyArg_ParseTuple(args, "i", &led_state) ) return NULL;
        if (led_state <= 0) {
            led_state = (int32_t)dev_set_led(&cam, false);
        }
        if (led_state >= 1) {
            led_state = (int32_t)dev_set_led(&cam, true);
        }
    }
    else {
        led_state = (int32_t)dev_get_led(&cam);
    }
    return Py_BuildValue("i", led_state);
}

static PyObject* LedDuration(PyObject* self, PyObject* args) {
    // milliseconds
    const char *duration;
    char ligne[DIM_S];
    uint32_t led_duration;
    //int32_t s_iDeviceHandle;
    //s_iDeviceHandle = cam.s_iDeviceHandle;
    if (PyTuple_GET_SIZE(args) >= 1) {
        if ( ! PyArg_ParseTuple(args, "s", &duration) ) return NULL;
        if (strcmp(duration, "infinite") == 0) {
            led_duration = 0xFFFFFFFF;
        }
        else {
            led_duration = atoi(duration);
        }
        led_duration  = (int32_t)dev_set_led_duration(&cam, led_duration);
    }
    else {
        led_duration = (int32_t)dev_get_led_duration(&cam);
    }
    if (led_duration == 0xFFFFFFFF) {
        strcpy(ligne, "infinite");
        return Py_BuildValue("s", ligne);
    }
    return Py_BuildValue("i", led_duration);
}

static PyObject* Preflash(PyObject* self, PyObject* args) {
    uint32_t preflash;
    //int32_t s_iDeviceHandle;
    //s_iDeviceHandle = cam.s_iDeviceHandle;
    if (PyTuple_GET_SIZE(args) >= 1) {
        if ( ! PyArg_ParseTuple(args, "i", &preflash) ) return NULL;
        if (preflash <= 0) {
            preflash = 0;
        }
        if (preflash >= 1) {
            preflash = 1;
        }
        cam.preflash = preflash;
    }
    return Py_BuildValue("i", cam.preflash);
}

static PyObject* Library(PyObject* self, PyObject* args) {
    return Py_BuildValue("i", LIB);
}

static PyObject* Metadata(PyObject* self, PyObject* args) {
    PyObject* dico = PyDict_New();
    dict_append_s(dico, "MagicNumber", cam.metadata.MagicNumber, "Magic number of the metatadata header");
    dict_append_d(dico, "MetadataLength", cam.metadata.MetadataLength, "Length of the metatadata header");
    dict_append_d(dico, "MetadataVersion", cam.metadata.MetadataVersion, "Version of the metatadata header");
    dict_append_s(dico, "CameraModel", cam.metadata.CameraModel, "Camera model");
    dict_append_s(dico, "CameraSerialNumber", cam.metadata.CameraSerialNumber, "Serial number of the camera");
    dict_append_d(dico, "FirmwareVersion", cam.metadata.FirmwareVersion, "Firmware version of the board");
    dict_append_f(dico, "TemperatureSetPoint", cam.metadata.TemperatureSetPoint, "Temperature set point (deg C)");
    dict_append_f(dico, "CoolerDutyCycle", cam.metadata.CoolerDutyCycle, "Cooler duty cycle (percent)");
    dict_append_d(dico, "HorizontalPixels", cam.metadata.HorizontalPixels, "Number of horizontal photocells");
    dict_append_d(dico, "VerticalPixels", cam.metadata.VerticalPixels, "Number of vertical photocells");
    dict_append_d(dico, "ExposureTime", cam.metadata.ExposureTime, "Exposure time (10.32e-6 s)");
    dict_append_f(dico, "SensorColdTemp", cam.metadata.SensorColdTemp, "Sensor cold finger temperature (deg C)");
    dict_append_f(dico, "SensorTemp", cam.metadata.SensorTemp, "Sensor temperature (deg C)");
    dict_append_d(dico, "GlobalGain", cam.metadata.GlobalGain, "Global gain adu)");
    dict_append_d(dico, "LowGain", cam.metadata.LowGain, "Low gain (adu)");
    dict_append_d(dico, "HighGain", cam.metadata.HighGain, "High gain (adu)");
    dict_append_d(dico, "PostRefPixelsPerRow", cam.metadata.PostRefPixelsPerRow, "Number of reference cells after the row");
    dict_append_d(dico, "PreRefPixelsPerRow", cam.metadata.PreRefPixelsPerRow, "Number of reference cells before the row");
    dict_append_d(dico, "ControlBlock", cam.metadata.ControlBlock, "Control block (0-255)");
    dict_append_d(dico, "BlackLevelAdjust", cam.metadata.BlackLevelAdjust, "Black level adjust (0-65535)");
    dict_append_d(dico, "BlackLevelSun", cam.metadata.BlackLevelSun, "Black level Sun (0-65535)");
    dict_append_d(dico, "ShutterOpenDelay", cam.metadata.ShutterOpenDelay, "Shutter open delay (0-65535)");
    dict_append_d(dico, "ShutterCloseDelay", cam.metadata.ShutterCloseDelay, "Shutter close delay (0-65535)");
    dict_append_d(dico, "IlluminStartDelay", cam.metadata.IlluminStartDelay, "Illumination start delay (0-65535)");
    dict_append_d(dico, "IlluminStopDelay", cam.metadata.IlluminStopDelay, "Illumination stop delay (0-65535)");
    dict_append_d(dico, "TrackingStartRow", cam.metadata.TrackingStartRow, "Tracking start row (0-65535)");
    dict_append_d(dico, "TrackingStartColumn", cam.metadata.TrackingStartColumn, "Tracking start column (0-65535)");
    dict_append_d(dico, "TrackingStopRow", cam.metadata.TrackingStopRow, "Image start row (0-65535)");
    dict_append_d(dico, "TrackingStopColumn", cam.metadata.TrackingStopColumn, "Image start column (0-65535)");
    dict_append_d(dico, "ImageStartRow", cam.metadata.ImageStartRow, "Image stop row (0-65535)");
    dict_append_d(dico, "ImageStartColumn", cam.metadata.ImageStartColumn, "Image start column (0-65535)");
    dict_append_d(dico, "ImageStopRow", cam.metadata.ImageStopRow, "Image stop row (0-65535)");
    dict_append_d(dico, "ImageStopColumn", cam.metadata.ImageStopColumn, "Image stop column (0-65535)");
    dict_append_d(dico, "TrackingFramesPerImageFrame", cam.metadata.TrackingFramesPerImageFrame, "Number of tracking frame per image frame");
    dict_append_d(dico, "FrameNumber", cam.metadata.FrameNumber, "Frame number");
    dict_append_d(dico, "StartingExposureRow", cam.metadata.StartingExposureRow, "Starting exposure row");
    dict_append_d(dico, "PreReferenceRows", cam.metadata.PreReferenceRows, "Pre reference rows");
    dict_append_d(dico, "PostReferenceRows", cam.metadata.PostReferenceRows, "Post reference rows");
    dict_append_d(dico, "NumberOfDataChannels", cam.metadata.NumberOfDataChannels, "Number of data channels");
    dict_append_d(dico, "ControlBlock2", cam.metadata.ControlBlock2, "Control block 2");
    dict_append_s(dico, "CaptureDateString", cam.metadata.CaptureDateString, "Capture date string");
    dict_append_f(dico, "Latitude", cam.metadata.Latitude, "Latitude (degrees)");
    dict_append_f(dico, "Longitude", cam.metadata.Longitude, "Longitude east positive (degrees)");
    dict_append_s(dico, "LibFliProVersion", cam.metadata.LibFliProVersion, "Version of the library");
    dict_append_f(dico, "HorizontalPixelSize", cam.metadata.HorizontalPixelSize, "Horizontal pixel size (m)");
    dict_append_f(dico, "VerticalPixelSize", cam.metadata.VerticalPixelSize, "Vertical pixel size (m)");
    dict_append_d(dico, "BlackLevelAdjustHigh", cam.metadata.BlackLevelAdjustHigh, "Black level adjust high (0-65535)");
    dict_append_d(dico, "BlackLevelSunHigh", cam.metadata.BlackLevelSunHigh, "Black level Sun high (0-65535)");
    return dico;
}

// =====================================================================
// =====================================================================
// Python extension - Test functions
// =====================================================================
// =====================================================================

static PyObject* matrix(PyObject* self, PyObject* args) {
    int w, h;
    double v;
    printf("PyTuple_GET_SIZE(args)=%d\n", (int)PyTuple_GET_SIZE(args));
    if (PyTuple_GET_SIZE(args) >=3) {
        if ( ! PyArg_ParseTuple(args, "iid", &w, &h, &v) ) return NULL;
    }
    printf("w=%d h=%d v=%f\n", w, h, v);
    // --- C pointer
    calloc_pf(h*w, sizeof(float));
    for (int i=0; i<w*h; i++){
        pf[i] = (float)v;
    }
    // --- C pointer -> numpy.array
    int nd = 2;
    npy_intp dims[2];
    dims[0] = w;
    dims[1] = h;
    int typenum = NPY_FLOAT;
    //import_array();
    PyObject *aout;
    aout = PyArray_SimpleNewFromData(nd, dims, typenum, (void*)pf);
    // --- Return the numpy.array 
    PyObject* res = Py_BuildValue("O", aout);
    Py_XDECREF(aout);
    return res;
}

static PyObject* example2(PyObject* self, PyObject* args) {
    printf( "C/C++ code fire an exception\n" );
    
    // Levée d'une exception Python : elle sera rattrapée en Python.
    PyErr_SetString(exampleException, "Exemple de levée d'erreur en C");
    
    // On ne renvoie donc pas de valeur de retour particulière.
    return NULL;
}

// =====================================================================
// =====================================================================
// Python extension - Method definitions
// =====================================================================
// =====================================================================

static PyMethodDef functions[] = {
    // --- Common for devices
    {"init",        init,                METH_VARARGS, "Init connection of the device"},
    {"close",       close,               METH_VARARGS, "Close the connection of the device"},
    {"bin",         bin,                 METH_VARARGS, "Set/get the binning"},
    {"exptime",     exptime,             METH_VARARGS, "Set/get the exposure time (s)"},
    {"start_exp",   start_exp,           METH_VARARGS, "Start an exposure"},
    {"read_ccd",    read_ccd,            METH_VARARGS, "Read the image at the end of the exposure"},
    {"window",      update_window,       METH_VARARGS, "Set/get the window cells"},
    {"abort",       stop_exp,            METH_VARARGS, "Abort the current acquisition"},
    {"stop",        stop_exp,            METH_VARARGS, "Abort the current acquisition"},
    {"shutter",     shutter,             METH_VARARGS, "Set/get the shutter state: 'closed' or 'opened' or 'synchro'"},
    {"cooler",      cooler,              METH_VARARGS, "Set/get the cooler state: 'on' or 'off' or 'check' or 'check temperature'"},
    {"temperature", measure_temperature, METH_VARARGS, "Get the camera temperature"},
    {"timer",       Timer,               METH_VARARGS, "Get the remaining time of an acquisition (-1 means no acquisition)"},
    {"date",        Date,                METH_VARARGS, "Get current date ISO format"},
    // --- Specific for devices
    {"flicapabilities", FingerlakesProCapabilities, METH_VARARGS, "Get the FLI camera capabilities"},
    {"deviceinfo",      FingerlakesProDeviceInfo,   METH_VARARGS, "Get the FLI device informations"},
    {"selectgain",      SelectGain,                 METH_VARARGS, "Get/set low and high gains"},
    {"GPSstatus",       GPSStatus,                  METH_VARARGS, "Get the GPS status"},
    {"flimodes",        FingerlakesProListModes,    METH_VARARGS, "Get the FLI modes"},
    {"flimode",         FingerlakesProSetMode,      METH_VARARGS, "Set the FLI mode"},
    {"selectimage",     SelectImage,                METH_VARARGS, "Get/set the image selected (low, high, merge, all)"},
    {"selectshutter",   SelectShutter,              METH_VARARGS, "Get/set the shutter selected (low, high, merge, all)"},
    {"temperatures",    measure_temperatures,       METH_VARARGS, "Get the camera temperatures"},
    {"dewpower",        DewPower,                   METH_VARARGS, "Usage : FLIDewPower (? off low high full)"},
    {"listgain",        ListGain,                   METH_VARARGS, "List gains"},
    {"merge",           Merge,                      METH_VARARGS, "Merging methods and parameters"},
    {"stream",          Stream,                     METH_VARARGS, "Video stream test"},
    {"reconnect",       Reconnect,                  METH_VARARGS, "Reconnection"},
    {"led",             Led,                        METH_VARARGS, "Get/set the LED manual state"},
    {"ledduration",     LedDuration,                METH_VARARGS, "Get/set the LED duration (ms)"},
    {"preflash",        Preflash,                   METH_VARARGS, "Get/set the preflash state (use also ledduration)"},
    {"library",         Library,                    METH_VARARGS, "Get the FLI library version"},
    {"metadata",        Metadata,                   METH_VARARGS, "Get the FLI metadata of the last image taken"},
    // --- Tests
    {"example2",    example2,            METH_VARARGS, "Une fonction levant une exception"},
    {"matrix",      matrix,              METH_VARARGS, "Create a matrix"},
    {NULL, NULL, 0, NULL}
};

// =====================================================================
// =====================================================================
// Python extension - Module definition
// =====================================================================
// =====================================================================

static struct PyModuleDef myModule = {
    PyModuleDef_HEAD_INIT,
    "wrapper_flipro",   /* nom du module */
    NULL,         /* documentation du module, ou NULL si non proposée */
    -1,           /* -1 => état du module stocké en global */
    functions      /* Tableau des fonctions exposées */
};

// =====================================================================
// =====================================================================
// Python extension - Module initialisation
// =====================================================================
// =====================================================================

PyMODINIT_FUNC PyInit_wrapper_flipro(void) {
    // Création du module
    PyObject * module = PyModule_Create( &myModule );
    if ( module == NULL ) return NULL;

    // Création d'une instance d'exception
    exampleException = PyErr_NewException( "wrapper_flipro.error", NULL, NULL );
    Py_INCREF( exampleException );
    PyModule_AddObject( module, "error", exampleException );

    import_array(); // for numpy
    pycam_state = PYCAM_UNCONNECTED;

    // On doit renvoyer le module nouvellement créé
    return module;
}